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Table 2 Factor analysis with orthogonal rotation of the 17 traits evaluated using the RIL population

From: Improving the Glossiness of Cooked Rice, an Important Component of Visual Rice Grain Quality

Traits

2017

Traits

2018

PA1

PA2

PA4

PA3

PA1

PA2

PA3

PA4

OE

0.96

0.05

0.22

0.07

OE

0.98

0.16

0.11

0.04

EQ

0.87

0.13

0.23

0.08

HD

0.93

0.16

0.08

0.03

HD

0.84

0.1

0.23

0.11

ST

0.83

0.24

0.12

0.04

ST

0.81

−0.09

−0.09

0.08

EQ

0.83

−0.04

− 0.09

− 0.18

AP

0.66

0.2

0.26

−0.01

AP

0.81

0.04

0.06

0.06

AR

0.51

0.21

0.34

0.03

AR

0.45

0.02

−0.01

−0.07

TV

0.47

−0.17

0.27

0.08

Protein

−0.38

−0.28

0.32

0.19

Pro

−0.65

0.14

−0.39

−0.1

PT

−0.13

− 0.92

0.23

− 0.12

PV

0.12

0.89

−0.1

0.36

DH

0.08

0.86

−0.16

0.19

HV

0.03

0.9

−0.12

−0.24

ASV

0.02

0.7

−0.1

0.07

CV

0

0.98

0.08

−0.2

TV

0.35

0.65

−0.19

0.13

PT

−0.3

0.25

−0.81

0.08

Amylose

0.03

0.64

0

0.09

DH

0.19

−0.12

0.79

−0.11

HR

0.1

0.54

0.28

0.05

ASV

0.16

−0.04

0.68

−0.17

CV

0.08

0.05

0.99

0.06

HR

0.2

0.2

0.49

0.26

HV

0.05

−0.17

0.94

0.04

Amy

0.22

0.24

0.39

0.04

PV

0.08

−0.21

0.86

−0.47

BD

0.13

0.06

0.02

0.98

BD

0.09

−0.15

0.2

−0.93

SB

−0.15

0.37

0.25

−0.74

SB

−0.02

0.42

0.18

0.87

Proportion Explained

0.38

0.25

0.23

0.15

Proportion Explained

0.35

0.28

0.23

0.16

Cumulative Proportion

0.38

0.62

0.85

1

Cumulative proportion

0.34

0.62

0.85

1

  1. TV taste value evaluated by Toyo meter, AP grain appearance of cooked rice, AR grain aroma of cooked rice, EQ eating quality of cooked rice, ST stickiness of cooked rice, HD hardness of cooked rice, OE overall eating quality in palatability test, Pro protein contents of head rice, Amy amylose contents of head rice, ASV alkali spreading value, DH days to heading in 2017(2018), HR percentage of head rice, PT peak temperature, PV peak viscosity, HV hot paste viscosity, CV cool paste viscosity, BD breakdown (BD = PV - HV), SB: set back (SB = CV - PV)